CN110990206B - Electronic device with main board diagnosis card and main board diagnosis method - Google Patents
Electronic device with main board diagnosis card and main board diagnosis method Download PDFInfo
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- CN110990206B CN110990206B CN201911199590.4A CN201911199590A CN110990206B CN 110990206 B CN110990206 B CN 110990206B CN 201911199590 A CN201911199590 A CN 201911199590A CN 110990206 B CN110990206 B CN 110990206B
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- 238000003745 diagnosis Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 8
- 238000002405 diagnostic procedure Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 230000001960 triggered effect Effects 0.000 description 12
- 230000008859 change Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 238000004590 computer program Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2273—Test methods
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/32—Monitoring with visual or acoustical indication of the functioning of the machine
- G06F11/324—Display of status information
- G06F11/325—Display of status information by lamps or LED's
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Abstract
The invention relates to an electronic device with a main board diagnosis card, which comprises a shell, a main board and a diagnosis card, wherein the main board and the diagnosis card are arranged in the shell, a main board processor is arranged on the main board, the main board processor is in communication connection with the diagnosis card through a diagnosis bus, an operable triggering device for outputting a triggering signal is arranged on the shell, and the diagnosis card further comprises: the diagnostic card control input interface, the diagnostic card control output interface, the diagnostic card state input interface and the diagnostic card state output interface are used for receiving and recording the diagnostic codes from the main board through the diagnostic bus in a recording mode, the state output interface of the main board outputs a state signal to be transmitted to the indicating device, and when the diagnostic card receives the non-diagnostic trigger signal, the diagnostic card transmits the non-diagnostic trigger signal to the main board; when the diagnostic card receives the diagnostic trigger signal, the playback mode is entered, and the diagnostic code is converted into an indication signal and output to the indication device. The invention also relates to a mainboard diagnosis method.
Description
Technical Field
The present invention relates to electronic device diagnosis technologies, and in particular, to an electronic device with a motherboard diagnosis card and a motherboard diagnosis method.
Background
The common diagnostic method of computer mainboards (including desktop computer mainboards, server computer mainboards, notebook computer mainboards and industrial computer mainboards) is that the mainboards are connected with a diagnostic card (hereinafter referred to as a traditional diagnostic card) with a seven-segment nixie tube indicator lamp through a PCI bus or an LPC bus. The main board outputs a diagnosis code to the diagnosis card in the starting process, and the diagnosis code is a number of one byte or two bytes and is displayed through a seven-segment nixie tube on the diagnosis card. If the motherboard crashes during the starting process, the last displayed number on the diagnostic card can be used to locate where the motherboard software was last executed, and thus to locate the error range of the motherboard software.
The disadvantages of conventional diagnostic cards in use are: when the motherboard is installed in the host, the host casing does not expose the interface of the diagnostic card and does not expose the display interface of the diagnostic card, so that a user has to open the host casing to see the display of the diagnostic card, but in many cases, the opening of the host casing is troublesome, especially in the case of wasting man-hours and reducing efficiency in the manufacturing and detecting of industrial computers, and even in some deployed scenarios, the opening of the host casing is impractical.
Disclosure of Invention
In view of the foregoing, it is desirable to provide an electronic device with a motherboard diagnostic card and a motherboard diagnostic method that can quickly and conveniently diagnose a motherboard of the electronic device.
The utility model provides an electronic device with mainboard diagnostic card, includes the casing, sets up mainboard and diagnostic card in the casing, be equipped with the mainboard treater on the mainboard, the mainboard treater with diagnostic card passes through diagnostic bus communication connection, be equipped with the operable trigger device that is used for the output trigger signal on the casing, diagnostic card still includes: a diagnostic card control input interface coupled to the operable trigger device for receiving a trigger signal from the operable trigger device; the diagnostic card control output interface is connected with the control input interface of the main board; the diagnostic card state input interface is connected with the state output interface of the main board; the diagnostic card state output interface is connected with an indicating device positioned on the shell; the system comprises a main board, a diagnostic card, a state output interface, a state input interface, an indicating device, a diagnostic card control input interface and a control device, wherein the trigger signals comprise non-diagnostic trigger signals and diagnostic trigger signals, the working mode of the diagnostic card comprises a recording mode and a playback mode, in the recording mode, the diagnostic card receives and records diagnostic codes from the main board through the diagnostic bus, the state output interface of the main board outputs state signals to the diagnostic card state input interface and the state signals are transmitted to the indicating device from the diagnostic card state output interface, and when the diagnostic card control input interface receives the non-diagnostic trigger signals, the diagnostic card transmits the non-diagnostic trigger signals to the main board through the diagnostic card control output interface; and when the diagnostic card control input interface receives the diagnostic trigger signal, entering a playback mode, and converting the diagnostic code into an indication signal by the diagnostic card and outputting the indication signal to the indication device through the diagnostic card state output interface.
In some embodiments, the trigger signal further comprises a playback control signal comprising: display the last diagnostic code, display the next diagnostic code, display the last diagnostic code.
In some embodiments, the operable triggering device is a key disposed on the housing.
In some embodiments, the operable trigger device is a power key of the electronic device, the diagnostic trigger signal is a continuous impact on the power key, and the non-diagnostic trigger signal is a continuous depression of the power key for a predetermined period of time.
In some embodiments, the operable triggering device further includes a plurality of playback keys for respectively outputting different playback control signals to the diagnostic card, the diagnostic card executing the different playback control signals and outputting different diagnostic codes.
In some embodiments, the operable triggering device is a keyboard of the electronic device, the diagnostic triggering signal is triggered by pressing a preset key combination, and the non-diagnostic triggering signal is triggered by performing other keyboard operations than the key combination
In some embodiments, the diagnostic card uses a series of different length switch signals when converting the diagnostic code into the indicator signal.
In some embodiments, the indication device is an indicator light provided on the housing.
A motherboard diagnostic method comprising the steps of:
starting the main board, and enabling the diagnostic card to enter a recording mode;
the diagnostic card receives a main board state signal and a diagnostic code from the main board, records the diagnostic code and transparently transmits the state signal to the indicating device;
judging whether a diagnosis trigger signal is received or not;
if a non-diagnosis trigger signal is received, the non-diagnosis trigger signal is transmitted to the main board; and
if the diagnosis trigger signal is received, a playback mode is entered, and the diagnosis code is converted into an indication signal and then output to the indication device.
In some embodiments, the method further comprises the steps of:
in the playback mode, firstly, the last diagnosis code is converted and then output to the indicating device;
judging whether a playback control trigger signal is received or not;
and if the playback control trigger signal is received, converting the corresponding diagnosis code and outputting the diagnosis code to the indicating device.
Compared with the prior art, the electronic device with the main board diagnostic card can enable the diagnostic card to output the diagnostic code to the indicating device arranged on the shell by operating the trigger device arranged on the shell, and the diagnostic code can be obtained without opening the shell, so that the electronic device is quick and convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the invention.
Fig. 2 is a schematic structural diagram of an electronic device according to another embodiment of the invention.
Fig. 3 is a flowchart of a motherboard diagnosis method according to an embodiment of the present invention.
Fig. 4 is a flowchart of a status signal of a motherboard diagnosis method according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
Fig. 1 and fig. 2 are schematic structural diagrams of an electronic device according to an embodiment of the invention. The electronic device 1 may be any electronic device including a motherboard and a diagnostic card, including, but not limited to, a desktop computer, a notebook computer, a server computer, an industrial computer, etc.
The electronic device 1 includes a housing 10, a motherboard 12 disposed in the housing 10, and a diagnostic card 14, wherein in this embodiment, the housing 10 is a housing of a desktop computer case.
The casing 10 is provided with an indicator light 100 and a key 102. In one embodiment, the key 102 may be a power key on the chassis.
The motherboard 12 is used for carrying components of the electronic device 1, including but not limited to a processor 120. The processor 120 is disposed on the main board 12, and is configured to execute various instructions to implement various functions of the electronic device 1.
The diagnostic card 14 may be integrated on the motherboard 12 or may be provided separately from the motherboard 12. Referring to fig. 1, the diagnostic card 14 is integrated on the motherboard 12. In the embodiment shown in fig. 2, the diagnostic card 14 is provided separately from the motherboard 12.
The diagnostic card 14 is communicatively coupled to the processor 120 via a diagnostic bus 122. The motherboard 12 is provided with a motherboard control input interface 123 and a motherboard status output interface 124. The motherboard control input interface 123 is configured to receive input signals to control the processor 120 to execute predetermined instructions or instruction sets. The motherboard status output interface 124 is configured to output various status signals generated during operation of the motherboard 12.
The diagnostic card 14 includes a diagnostic card processor 140 and a diagnostic code display 141, wherein the diagnostic card processor 140 is configured to receive and record the diagnostic code of the motherboard 12 transmitted from the diagnostic bus 122. The diagnostic card processor 140 may be an MCU or a digital processor, etc. In some embodiments, the diagnostic card 14 further includes a diagnostic card memory (not shown) for storing the diagnostic code. In some implementations, the diagnostic code display 141 is a seven-segment nixie tube. It will be appreciated that in other embodiments, the diagnostic code display device 141 may be any suitable display unit, such as an LCD display screen, etc., so long as the diagnostic code is displayed.
In the prior art, since the diagnostic card is installed in the casing, the casing needs to be opened to obtain the diagnostic code of the main board from the diagnostic code display device of the diagnostic card for fault analysis every time the main board fails. In order to solve the technical problem, the present application adopts the diagnostic card status output interface 143 to output the diagnostic code of the motherboard, and the diagnostic card status output interface 143 can be connected with the indicating device 100 located on the casing 10 of the electronic device, so that the diagnostic code of the motherboard can be quickly and conveniently obtained without opening the casing 10.
In the embodiment of the present application, the diagnostic card 14 is provided with two modes of operation, one in the recording mode and one in the playback mode. Wherein, in the recording mode, the diagnostic card 14 records a diagnostic code of the main board 12; in the playback mode, the diagnostic card 14 outputs the diagnostic code to an indicating device located on the housing 10. The diagnostic card 14 further comprises a diagnostic card control input interface 142, the diagnostic card control input interface 142 being connected to the operable triggering device 102, the operable triggering device 102 being located on the housing 10 of the electronic device 1, the diagnostic card control input interface 142 being capable of switching the diagnostic card 14 from the recording mode to the playback mode upon receipt of a diagnostic triggering signal of the operable triggering device 102.
In some embodiments, the diagnostic card control input interface may be a key input, and the triggering device is a key located on a housing of the electronic device, so that the switching from the recording mode to the playback mode is achieved by a diagnostic trigger signal of the key. In some embodiments, the diagnostic card control input interface may be a key input and the triggering device is a keyboard located on a housing of the electronic device, so that switching from the recording mode to the playback mode is achieved by simultaneously pressing a diagnostic triggering signal of a specific key combination. In some embodiments, the diagnostic card control input interface may also be a wired communication interface, and is connected to an external trigger device, such as a mouse, an external keyboard, etc., through a wired input/output interface provided on the electronic device housing. It will be appreciated that in some embodiments, the diagnostic card control input interface may also be a wireless communication interface through which a diagnostic trigger signal is acquired from a trigger device that exists independently of the electronic device to effect a switch from a recording mode to a playback mode. For example, a portable electronic device such as a remote controller, a wireless mouse, and a mobile phone is connected to the wireless communication interface, and switching from the recording mode to the playback mode is performed by using an input signal of the remote controller, the wireless mouse, or an input signal of the portable electronic device such as the mobile phone as a diagnostic trigger signal.
In the embodiment shown in fig. 2, the diagnostic card control input interface 142 is a key input and the operable triggering device is an operable key 102 provided on the housing 10. The diagnostic card key input is connected to the operable key 102. When the operable key 102 is triggered, a diagnosis trigger signal can be generated to switch the diagnostic card 14 from a recording mode to a playback mode, and when the main board 12 fails, a user can operate the key 102 to enable the diagnostic card 14 to enter the playback mode, so that the diagnostic code of the main board 12 is processed and converted by the processor 140 and then is serially output to the indicating device 100 on the casing 10.
The operable keys 102 may be keys specifically configured to trigger a playback mode, or may be existing keys of the electronic device 1, for example, keys on a keyboard of the electronic device 1, including power keys, number keys, letter keys, symbol keys, or other function keys, etc.
In some embodiments, for compatibility with existing electronic device structures, the operable key 102 is an existing key disposed on the housing 10, and the diagnostic card 14 further includes a diagnostic card control output interface 144, where the diagnostic card control output interface 144 is connected to a motherboard control input interface 123 disposed on the motherboard 12, for outputting to the motherboard 12 a non-diagnostic trigger signal generated when the operable trigger device 102 is triggered. In the embodiment shown in fig. 2, the diagnostic card control output interface 144 is a key output terminal, the main board control input interface 123 is a key input terminal provided on the main board 12, and the non-diagnostic trigger signal is a key signal generated when the trigger device is triggered in the recording mode or in the normal operation mode of the main board.
For example, in one embodiment, the operable triggering device is a power key of the electronic device, the diagnostic triggering signal is a continuous click on the power key, and the non-diagnostic triggering signal is a continuous press on the power key for a predetermined period of time. The diagnosis trigger signal is used for enabling the diagnosis card to enter a playback mode from a recording mode; the non-diagnostic trigger signal is used to perform normal power key functions (e.g., power on/off function, restart function).
In an embodiment, the operable triggering device is a keyboard of the electronic device, the diagnostic triggering signal is triggered by pressing a preset key combination, and the non-diagnostic triggering signal is triggered by performing other keyboard operations than the key combination.
In order to connect the indication device 100 on the casing 10, the diagnostic card 14 further comprises a diagnostic card status output interface 143, and the diagnostic card status output interface 143 is used to connect with the indication device 100 on the electronic device casing 10, so as to convert the diagnostic code of the diagnostic card 14 into an indication signal and serially output the indication signal to the indication device 100.
In some embodiments, the indication device is an indication lamp 100 on the electronic device casing 10, the status output interface 143 is an indication lamp output end, and the diagnosis code is represented by a flash or a color of the indication lamp. The user can obtain the diagnostic code by comparing the blinking or color change of the indicator light 100 with the preset correspondence between the indicator light change and the diagnostic code.
The diagnostic card processor 140 is capable of transcoding the diagnostic code into an indication signal that controls an indicator light. In some embodiments, the codes adopt a series of switch signals with different lengths, a corresponding relation table is preset between the length codes of the switch signals and the corresponding states of the indicator lights, and the indicator lights are controlled to flash or change colors through the length codes of the switch signals corresponding to the diagnostic codes and the corresponding relation table.
In some embodiments, the indicator light 100 may be an indicator light specifically configured to output a diagnostic code. In other embodiments, the indicator light 100 may be an existing indicator light on the housing 10 for increased adaptability and versatility.
When the indicator light is an existing indicator light on the casing 10 of the electronic device, the diagnostic card 14 further includes a diagnostic card status input interface 145, and the status input interface 145 is connected to the status output interface 124 of the motherboard, for receiving a status signal from the motherboard 12; the status signal is output to the indication device 100 through the diagnostic card status output interface 143.
In the embodiment shown in fig. 2, the motherboard status input interface 145 is an indicator light input. In the recording mode or the normal operation mode of the main board 12, the indicator light input end is configured to receive an indicator light signal (status signal) of the main board 12, and transmit the status signal received from the main board 12 to the indicator light 100 on the casing 10 through the diagnostic card status output interface 143.
Because the existing electronic device is basically provided with at least 1 key and 1 indicator lamp, the diagnostic card can be compatible and matched with the existing various electronic device shells; similarly, the existing motherboard is correspondingly provided with at least one key input interface and at least one indicator light output end. In the existing electronic device, the key input end of the main board is directly connected with the key on the shell of the electronic device, so that the key signal generated when the key is triggered is directly transmitted to the main board. The output end of the indicating lamp of the main board is directly connected with the indicating lamp on the shell of the electronic device, so that the state signal output by the main board is directly sent to the indicating lamp, and the indicating lamp is controlled to emit light. In order not to change the structure of the existing electronic device, the key and the indicator lamp of the existing electronic device are fully utilized, in the embodiment of the application, the diagnostic card 14 is connected between the key/indicator lamp and the main board 12, so that in the normal working mode of the main board 12 (the recording mode of the diagnostic card 14), the key signal generated when the key 102 of the electronic device 1 is triggered is transmitted to the main board 12 as a non-diagnostic trigger signal through the diagnostic card 14, and the status signal or the indicator lamp signal output by the main board 12 is transmitted to the indicator lamp 100 through the diagnostic card 14; when the main board 12 fails, the key 102 serves as a trigger device for switching the working mode of the diagnostic card 14 to the playback mode, the indicator lamp 100 serves as an indicator device for the diagnostic code, and a key signal generated when the key 102 is triggered is a diagnostic trigger signal, so that the diagnostic code can be quickly and conveniently obtained without disassembling the casing without changing the structure of the existing electronic device.
It will be appreciated that in some embodiments, the indication device may also be an indication device externally connected to the electronic device, for example, a display device externally connected to the electronic device 1, etc. The indication device is communicatively connected to the diagnostic card 14 via a data input output interface provided on the housing 10 of the electronic device 1. The data input output interface includes, but is not limited to, serial, universal serial bus (Universal Serial Bus, USB).
It will be appreciated that in some embodiments, the indication device is a stand-alone indication device, such as a cell phone, tablet, speaker, display device, etc., that is in wireless communication with the diagnostic card 14. The wireless communication connection mode includes, but is not limited to, bluetooth, WIFI, and the like.
It will be appreciated that in some embodiments, the operable triggering means comprises a plurality of keys for triggering playback control signals, respectively, the diagnostic card performing different playback control functions when triggered, such as outputting the diagnostic code again, outputting the last diagnostic code, outputting the next diagnostic code, outputting the last diagnostic code, etc.
In one embodiment, the diagnostic card 14 is a device capable of automatically performing numerical calculation and/or information processing according to a preset or stored instruction, the diagnostic card memory stores a computer program, and the diagnostic card processor 140 is capable of running the computer program. The diagnostic card processor 140 implements the steps of the motherboard diagnostic method in the embodiments described below when executing the computer program.
Fig. 3 and fig. 4 are schematic flow charts of a motherboard diagnosis method according to an embodiment of the present invention. The present embodiment describes the motherboard diagnosis method by taking the electronic device in the above embodiment as an example. The motherboard diagnosis method may include the steps of:
step 30: start-up
Step 31: entering recording mode
The diagnostic card 14 is also activated into a recording mode when the motherboard 12 is activated to begin operation.
Step 32: receiving a main board state signal and recording a main board diagnosis code
During operation of the motherboard 12, a diagnostic code is continuously output to the diagnostic card 14, and the diagnostic card 14 receives the diagnostic code and stores the motherboard diagnostic code in a memory unit of the diagnostic card 14, and outputs a motherboard status signal to the indicating device 100.
Step 33: judging whether a trigger signal is received
If not, returning to step 31, the trigger signal includes a diagnostic trigger signal and a non-diagnostic trigger signal, both triggered by an operable trigger device, and if the trigger signal is received, executing step 34.
Step 34: judging whether a diagnosis trigger signal is received
In case of a failure (e.g. a crash) of the motherboard, the user may generate a diagnostic trigger signal by triggering the triggering means. The diagnostic trigger signal is input to the diagnostic card 14 through the diagnostic card control input interface. If the diagnosis trigger signal is received, step 34 is entered, and if the non-diagnosis trigger signal is received, the non-diagnosis trigger signal is transmitted to the motherboard.
Step 35: entering playback mode
If a diagnostic trigger signal is received, the diagnostic card 14 switches from the recording mode to a playback mode.
Step 36: the main board diagnostic code is coded and converted and output to an indicating device
The processor 140 of the diagnostic card 14 transcodes the motherboard diagnostic code, in some embodiments, using a series of different length switch signals. And the series of switch signal codes with different lengths and the indicator lamp change signals are in one-to-one correspondence with a preset correspondence table, and the indicator lamp is controlled to flash or change color according to the preset correspondence table.
In one embodiment, in the playback mode, the last diagnostic code is first converted and output to the indicating device 100;
judging whether a playback control trigger signal is received or not;
if a playback control trigger signal is received, the corresponding diagnostic code is converted and output to the indicating device 100.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is evident that the word "comprising" does not exclude other elements or steps, and that the singular does not exclude a plurality.
Finally, it should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. An electronic device with a main board diagnosis card, the electronic device is a computer case, and comprises a case, a main board and a diagnosis card, wherein the main board and the diagnosis card are arranged in the case, a main board processor is arranged on the main board, and the main board processor is in communication connection with the diagnosis card through a diagnosis bus, and the electronic device is characterized in that: the casing is provided with an operable trigger device for outputting a trigger signal, the trigger device is a power button arranged on the casing, and the diagnostic card further comprises: the diagnostic card control input interface is connected with the power key and is used for receiving a trigger signal from the power key; the diagnostic card control output interface is connected with the control input interface of the main board; the diagnostic card state input interface is connected with the state output interface of the main board; the diagnostic card state output interface is connected with an indicator lamp positioned on the shell; the diagnostic code display device is arranged on the diagnostic card, the trigger signals comprise non-diagnostic trigger signals and diagnostic trigger signals, the diagnostic trigger signals are continuous pressing of the power key, the non-diagnostic trigger signals are continuous pressing of the power key for a preset time, the working mode of the diagnostic card comprises a recording mode and a playback mode, in the recording mode, the diagnostic card receives and records diagnostic codes from the main board through the diagnostic bus, the state output interface of the main board outputs state signals to the state input interface of the diagnostic card and is transmitted to the indicator lamp from the state output interface of the diagnostic card, and when the non-diagnostic trigger signals are received by the control input interface of the diagnostic card, the diagnostic card transmits the non-diagnostic trigger signals to the main board through the control output interface of the diagnostic card; and when the diagnostic card control input interface receives the diagnostic trigger signal, entering a playback mode, and converting the diagnostic code into an indication signal by the diagnostic card and outputting the indication signal to the indicator lamp through the diagnostic card state output interface.
2. The electronic device with a motherboard diagnostic card of claim 1, wherein: the trigger signal further includes a playback control signal, the playback control signal including: display the last diagnostic code, display the next diagnostic code, display the last diagnostic code.
3. The electronic device with a motherboard diagnostic card of claim 2, wherein: the operable triggering device further comprises a plurality of playback keys for outputting different playback control signals to the diagnostic card, which executes the different playback control signals and outputs corresponding diagnostic codes.
4. The electronic device with a motherboard diagnostic card of claim 3, wherein: the diagnostic card adopts a series of switch signals with different lengths when converting the diagnostic code into the indication signal.
5. A motherboard diagnostic method applied to the electronic device with motherboard diagnostic card of any one of claims 1 to 4, comprising the steps of:
starting the main board, and enabling the diagnostic card to enter a recording mode;
the diagnostic card receives a main board state signal and a diagnostic code from the main board, records the diagnostic code and transparently transmits the state signal to the indicator lamp;
judging whether a trigger signal is received or not;
if a non-diagnosis trigger signal is received, the non-diagnosis trigger signal is transmitted to the main board; and
and if the diagnosis trigger signal is received, entering a playback mode, converting the diagnosis code into an indication signal and outputting the indication signal to the indicator lamp.
6. The motherboard diagnostic method as recited in claim 5, wherein: the method also comprises the following steps:
in the playback mode, firstly, the last diagnosis code is converted and then output to the indicator lamp;
judging whether a playback control trigger signal is received or not;
and if the playback control trigger signal is received, converting the corresponding diagnosis code and outputting the diagnosis code to the indicator lamp.
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| CN101441590A (en) * | 2007-11-20 | 2009-05-27 | 英业达股份有限公司 | Mainboard failure diagnosis device and method and mainboard monitoring device and method |
| CN104571561A (en) * | 2013-10-25 | 2015-04-29 | 鸿富锦精密电子(天津)有限公司 | Keyboard |
| CN105446430A (en) * | 2015-12-28 | 2016-03-30 | 天津浩丞恒通科技有限公司 | Computer mainboard with fault diagnosis function and LPC interface mainboard fault diagnosis card |
| CN106021066A (en) * | 2016-05-23 | 2016-10-12 | 联想(北京)有限公司 | Fault information detection method and electronic device |
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